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60 S in a M;1 and W 2 be independent discrete random variables, each having the probability function given by f(0) = 1 2, f(1) = 1 3, and f(2) = 1 6 Set Y = W 1 W 2 (a) Determine the mean, variance, and standard deviation of Y (b) Use Markov's inequality to determine an upper bound to P(Y ≥ 3) (c) Use Chebyshev's inequality to determine an upper99 B of B on the W; 2 ƒfƒWƒ^ƒ‹ ƒp[ƒ} "¯Œ^ 50'ã